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Domenico Lembo, Valerio Santarelli, Domenico Fabio Savo and Giuseppe De Giacomo
In this paper we study Graphol, a fully graphical language inspired by standard formalisms for conceptual modeling, similar to the UML class diagram and the ER model, but equipped with formal semantics. We formally prove that Graphol is equivalent to OWL...
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Floriana Di Pinto, Giuseppe De Giacomo, Domenico Lembo, Maurizio Lenzerini and Riccardo Rosati
Although current languages used in ontology-based data access (OBDA) systems allow for mapping source data to instances of concepts and relations in the ontology, several application domains need more flexible tools for inferring knowledge from data, whi...
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